Robin Davies
75 lines
2.4 KiB
TypeScript
75 lines
2.4 KiB
TypeScript
// Copyright (c) 2022 Robin Davies
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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export enum ColorTheme {
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Light,
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Dark,
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System
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};
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export function getColorScheme(): ColorTheme {
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const androidHosted = !!((window as any).AndroidHost);
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switch (localStorage.getItem('colorScheme')) {
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case null:
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default:
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if (androidHosted) {
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return ColorTheme.System;
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} else {
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return ColorTheme.Light;
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}
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case "Light":
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return ColorTheme.Light;
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case "Dark":
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return ColorTheme.Dark;
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case "System":
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return ColorTheme.System;
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}
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}
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export function setColorScheme(value: ColorTheme): void {
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var storageValue;
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switch (value) {
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default:
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case ColorTheme.Light:
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storageValue = "Light";
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break;
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case ColorTheme.Dark:
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storageValue = "Dark";
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break;
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case ColorTheme.System:
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storageValue = "System";
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break;
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}
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localStorage.setItem("colorScheme", storageValue);
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}
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export function isDarkMode(): boolean {
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var colorTheme = getColorScheme();
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if (colorTheme === ColorTheme.System) {
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if (window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches) {
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return true;
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}
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}
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return colorTheme === ColorTheme.Dark;
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}
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